46 Ethernet module User’s Manual
Chapter 4 Preparing for Operation (Software)
4
LAN controller driver
error
90H Occurs if the setting of the local station IP address/port
number in the area reserved for transmission fails.
91H • Error in the TCP or UDP protocol (such as a transmission
phase error)
• Due to the remote-station down, the TCP socket made
the request to send to the socket where the NOACK bit of
the socket status is ON.
92H • Occurs if the setting of the remote station IP address in
the remote station information area (the NETDATA table)
fails.
• Occurs if the remote station IP address network address
differs from the local station IP address network address.
Memory pool allocation
failure
A0H Occurs if the EN311 internal OS fails to allocate memory.
Port 2 task start failure A1H Occurs if computer link/PC link socket identifier acquisition
fails.
Broadcast specification
error
A2H Occurs if the remote IP address is broadcasted on a remote
station verification request.
MAC address
specification error
B0H BCC error
B1H Occurs if an error occurs after address saving on a MAC
setup request.
Insufficient resources
error
C0H • Occurs if a transmission is repeated with cycle less than
100 ms to a non-existent remote station for UDP send/
PC link transmission.
• The UDP socket made the request to send when the
buffer in the EN311 was full without taking the received
data over to the S3 side.
Error in (number of
words) receive request
from S3
C1H The size specified by the user program is less than the size
of data, which EN311 has received.
C2H The size specified by the user program is out of the range
(1-1000 words).
Send buffer full C3H In the TCP socket transmission, the remaining space of the
send buffer of the corresponding socket to which the send
request data is stored is less than the data size of send
request.
Remote station window
size is too small
C4H In the TCP socket transmission, the window size of the
remote station ACK is smaller than the data size of send
request.
Table 4-3 Detailed Information
Error Code Description
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